“I wish everyone lived to my age and in such health as I have.

For them to not know what a doctor is, you don’t need doctors.
One shouldn’t eat too much in the evening, it may cause sickness
The medicine is expensive, doctors are somtimes difficult to reach and then what?

It’s better not to eat enough that to eat too much”

His secrets:  Avoid stress, don’t eat too much and at night, lots of sleep and the occasional vodka.